A SHOCK-TUBE INVESTIGATION OF THE RATE OF SOOT FORMATION FOR BENZENE, TOLUENE, AND TOLUENE-N-HEPTANE MIXTURES

被引:15
作者
SIMMONS, B
WILLIAMS, A
机构
[1] Univ of Leeds, Leeds, Engl, Univ of Leeds, Leeds, Engl
关键词
BENZENE - Combustion - DIESEL ENGINES - Fuel Injection - HYDROCARBONS - Combustion - SHOCK TUBES - TOLUENE - Combustion;
D O I
10.1016/0010-2180(88)90060-0
中图分类号
O414.1 [热力学];
学科分类号
摘要
The rate of soot formation during the pyrolysis and oxidation of rich mixtures of toluene and benzene, and the pyrolysis of tolune/n-heptane mixtures has been determined using a reflected shock technique over the temperature range of 1500-1950K and for pressures between 2. 6 and 3. 6 multiplied by 10**5 Pa. A laser beam attenuation technique was used to determine soot concentrations using helium-neon lasers at 632. 8 and 1152. 0 nm. The test gas mixtures were diluted with at least 98 mol% argon and for the pyrolysis experiments the hydrocarbon concentrations did not exceed 0. 35 mol m** minus **3. The oxidation experiments employed fuel rich mixtures with equivalence ratios between 6 and 11. Rates of soot formation and soot yields exhibited an Arrhenius dependence and could be expressed by a correlation equation in a form which is also suitable for the prediction of soot limits.
引用
收藏
页码:219 / 232
页数:14
相关论文
共 35 条
[1]  
ABBAS AS, 1985, J I ENERGY, P112
[2]   ULTRAVIOLET AND VISIBLE FLUORESCENCE IN THE FUEL PYROLYSIS REGIONS OF GASEOUS-DIFFUSION FLAMES [J].
BERETTA, F ;
CINCOTTI, V ;
DALESSIO, A ;
MENNA, P .
COMBUSTION AND FLAME, 1985, 61 (03) :211-218
[3]   HIGH-SENSITIVITY PIEZOELECTRIC TRANSDUCER FOR WAVE VELOCITY MEASUREMENTS IN SHOCK TUBES [J].
BERNSTEIN, L ;
GOODCHILD, RO .
REVIEW OF SCIENTIFIC INSTRUMENTS, 1967, 38 (07) :971-+
[4]   SIZE AND OPTICAL-PROPERTIES OF SOOT PARTICLES [J].
CHIPPETT, S ;
GRAY, WA .
COMBUSTION AND FLAME, 1978, 31 (02) :149-159
[5]  
COATS CM, 1979, 17TH S INT COMB PITT, P611
[6]   LIGHT-SCATTERING METHOD FOR SOOT CONCENTRATION MEASUREMENTS [J].
DALZELL, WH ;
WILLIAMS, GC ;
HOTTEL, HC .
COMBUSTION AND FLAME, 1970, 14 (1-3) :161-&
[7]  
DALZELL WH, 1969, T ASME, V91, P100
[8]   SHOCK-TUBE STUDIES ON THE FORMATION OF SOOT FROM THE COMBUSTION AND PYROLYSIS OF SOME HYDROCARBONS [J].
EVANS, M ;
WILLIAMS, A .
FUEL, 1981, 60 (11) :1047-1056
[9]  
FOSTER PJ, 1963, COMBUST FLAME, V7, P277
[10]   FORMATION AND COAGULATION OF SOOT AEROSOLS GENERATED BY PYROLYSIS OF AROMATIC-HYDROCARBONS [J].
GRAHAM, SC ;
HOMER, JB ;
ROSENFELD, JLJ .
PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES, 1975, 344 (1637) :259-285